gfx_common/include/gfx_common.h

/*
 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef _GFX_COMMON_H
#define _GFX_COMMON_H

#include <sys/types.h>

#define GFXIOC                  ('g' << 8)

#define GFX_IOCTL_GET_IDENTIFIER        (GFXIOC | 1)
#define GFX_IOCTL_GET_CURRENT_VIDEO_MODE    (GFXIOC | 2)
#define GFX_IOCTL_GET_PCI_CONFIG        (GFXIOC | 3)
#define GFX_IOCTL_SET_VIDEO_MODE        (GFXIOC | 4)
#define GFX_IOCTL_GET_EDID_LENGTH       (GFXIOC | 5)
#define GFX_IOCTL_GET_EDID          (GFXIOC | 6)

#define GFX_MAX_MODELNAME_LEN           36
#define GFX_MAX_PARTNUM_LEN         36
#define GFX_MAX_VMODE_LEN           48

#define GFX_IDENT_VERSION           1
#define GFX_IDENT_MODELNAME         0x01
#define GFX_IDENT_PARTNUM           0x02

#define GFX_EDID_VERSION            1
#define GFX_EDID_BLOCK_SIZE         128
#define GFX_EDID_HEAD_ONE           1
#define GFX_EDID_HEAD_TWO           2
#define GFX_EDID_HEAD_THREE         3
#define GFX_EDID_HEAD_FOUR          4


typedef struct  gfx_identifier {
    uint32_t    version;
    uint32_t    flags;
    char        model_name[GFX_MAX_MODELNAME_LEN];
    char        part_number[GFX_MAX_PARTNUM_LEN];
    char        pad[100];
} gfx_identifier_t;


typedef struct  gfx_video_mode {
    char        mode_name[GFX_MAX_VMODE_LEN];
    uint32_t    vRefresh;
    char        pad[96];
} gfx_video_mode_t;


typedef struct  gfx_pci_cfg {
    uint16_t    VendorID;
    uint16_t    DeviceID;
    uint16_t    Command;
    uint16_t    Status;
    uint8_t     RevisionID;
    uint8_t     ProgIF;
    uint8_t     SubClass;
    uint8_t     BaseClass;

    uint8_t     CacheLineSize;
    uint8_t     LatencyTimer;
    uint8_t     HeaderType;
    uint8_t     BIST;

    uint32_t    bar[6];
    uint32_t    CIS;
    uint16_t    SubVendorID;
    uint16_t    SubSystemID;
    uint32_t    ROMBaseAddress;

    uint8_t     CapabilitiesPtr;
    uint8_t     Reserved_1[3];
    uint32_t    Reserved_2;

    uint8_t     InterruptLine;
    uint8_t     InterruptPin;
    uint8_t     MinimumGrant;
    uint8_t     MaximumLatency;

    uint8_t     pad[100];
} gfx_pci_cfg_t;


typedef struct gfx_edid {
    uint32_t    version;
    uint32_t    head;
#ifndef _LP64
    uint32_t    pad;
#endif
    caddr_t     data;       /* pointer to the buffer that receives data */
    uint32_t    length;     /* length of the buffer. */
} gfx_edid_t;

#endif /* _GFX_COMMON_H */